Pro Android Python with SL4A by Paul Ferrill

By Paul Ferrill

Pro Android Python with SL4A through Paul Ferrill
2011 | 296 Pages | ISBN: 1430235691 | PDF | 6 MB + 6 MB

Pro Android Python with SL4A is for programmers and hobbyists who are looking to write apps for Android units with no need to benefit Java first. Paul Ferrill leads you from fitting the Scripting Layer for Android (SL4A) to writing small scripts, to extra complex and fascinating initiatives, and at last to importing and packaging your courses to an Android device.

Android runs scripts in lots of scripting languages, yet Python, Lua, and Beanshell are quite well known. such a lot programmers comprehend multiple programming language, in order that they have the easiest device for no matter what activity they wish to complete. seasoned Android Python with SL4A explores the area of Android scripting via introducing you to crucial open-source programming languages which are to be had on Android-based hardware.

Pro Android Python with SL4A begins through exploring the Android software program improvement package after which indicates you ways to establish an Eclipse-based Android improvement setting. then you procedure the area of Android programming by utilizing Beanshell, which runs at the Dalvik, and studying how you can write small courses to manage an Android device.

Next, detect how Lua, a light-weight language ideally suited for scripting on smaller units, can paintings with Android. Lua can be utilized for small yet very important initiatives, like SMS encryption and synchronizing photographs with flickr.

Last, yet on no account least, you will find the realm of Python scripting for SL4A, and the facility contained in the complete diversity of Python modules that could mix with the Android SDK. You'll discover ways to write small location-aware apps to get you begun, yet by means of the tip of this booklet, you'll end up writing totally GUI-fied purposes operating at the Android desktop!

Pro Android Python with SL4A is rounded out with a bankruptcy on allotting and packaging scripts, a ability that you'll locate very helpful as you achieve out to a much broader viewers along with your programs.

What you’ll learn

  • Understand the SL4A
  • Explore the Android software program improvement kit
  • Write scripts to manage an Android phone
  • Write and execute complete Python and applications
  • Learn the way to write basic apps utilizing Facades
  • Explore the complete Android improvement approach, from improvement to packaging
  • Who this e-book is for

    This is a publication for starting and intermediate Android builders, and a e-book for somebody coding in Python, Lua or exploring Beanshell.

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    Extra info for Pro Android Python with SL4A

    Example text

    USB driver for Windows If your device happens to be a G1, myTouch 3G, Verizon Droid, or Nexus One, you should be all set. If not, you’ll have a little more work to do. inf file in order for the driver to recognize the device. This file can be found in the same directory tree with the SDK in the googleusb_driver subdirectory. The only thing you really need to know is the vendor ID (VID) and the product ID (PID) for your device. You can probably find the right numbers for your device with a few Google searches.

    Here’s what I’ll cover in this chapter: • Installing the core files on your device • Installing the Android SDK • Remotely connecting to your device • Executing simple programs By using the instructions given here, you will be able to get up and running with SL4A in a very short time. Pay close attention to the sections on configuring your device and desktop as the instructions will need to be accomplished to get the two communicating. You will find it helpful to follow along with the examples as I walk you through them.

    The Exit & Edit button is grayed-out for SL4A R3, meaning it is not currently implemented. Selecting the Preferences button presents a new scrollable page with multiple entries, grouped by functional area, allowing you to configure any number of different options. Some of these options, such as Font size, are repeated under different headings, making it possible to change the font size in both the Editor Tool and the Interpreter window. There are a few of the options that you should take note of.

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